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This seems to more accurately be "Audio Analysis with Signal Processing Algorithms". It shouldn't be surprising that Fourier analysis applies to audio... up nex
by fluidcruft 13y ago
This seems to more accurately be "Audio Analysis with Signal Processing Algorithms". It shouldn't be surprising that Fourier analysis applies to audio... up next: discovering that wavelets apply to audio.
- doctoboggan 13y agoI used the spectrogram just to get the audio in a 2d representation that was insensitive to timeshifts. The image processing part was the `match_template` function from skimage. Although normalized correlation (which is what `match_template` uses) has been applied outside of image processing before. I also tried other image processing techniques like harris corner detection and SURF feature detection. I didn't write them up but you can see the code on github: https://github.com/jminardi/audio_fingerprinting https://github.com/jminardi/audio_fingerprinting